Color

#04fb2d

#04fb2d
hex#04fb2d
rgbrgb(4, 251, 45)
hslhsl(130, 97%, 50%)
oklchoklch(0.857 0.282 143.5)
Closest name: Cyber Neon Green (#00ff26)Relative luminance 0.6921

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#fb04d2

#56fb04 · #04fba9

#2d04fb · #fb2d04

Split-complementary

Open in tool →

#a904fb · #fb0456

#0456fb · #fb04d2 · #fba904

Contrast

#04fb2d as textRatioAAAA largeAAAFix
Aaon white
1.41:1failfailfail
  • AA: use #028818 as the text (4.63:1)
  • AAA: use #026412 as the text (7.41:1)
  • AA: or shift the background to #5e5e5e (4.58:1)
  • AAA: or shift the background to #424242 (7.1:1)
Aaon black
14.84:1passpasspassPasses AAA — no fix needed.

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #04fb2d as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

mcpConnect your agent — build around #04fb2d
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #04fb2d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/04fb2d-a2beaa-b14edf-1f2d28-ecf1e9?lock=0&style=vibrant

Want the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.

Machine-readable: color.md